[Gare]

But if a $4 country can produce an advanced military gadget but $1 country cannot, then the $1 country has a problem.

That's why difference exists in the first place - because of power imbalance driven by different levels of technological progress.

[cpursley]

As we're seeing now, it's an even bigger problem when a country produces an advanced military gadget for $1 and the other country can't match it in terms of production for even $50.